How can we create table by using command?

5

How would you import data from MYSQL into HDFS ?

42

Which method is used to access HFile directly without using HBase?

205

What is the utility of using Writable Comparable Custom Class in Map Reduce code?

988

Explain the maximum size of a message that can be received by the Kafka?

718

When should you use spark cache?

287

Explain various Apache Spark ecosystem components. In which scenarios can we use these components?

381

What are Features of Hive?

724

How would you tackle calculating the number of unique visitors for each hour by mining a huge apache log? You can use post processing on the output of the mapreduce job.

824

How can we assure that the values regarding a particular key goes to the same reducer?

606

What are the configuration files in Hadoop?

541

What is hadoop technology?

309

Explain the Job OutputFormat?

960

What does connector api in kafka?

505

What is Cassandra Database Software ?

166